Find awesome Agent Skills

thymer-capture

Capture notes, logs, and journal entries to Thymer. Use when user says "note this", "log this", "capture this", "add to journal", "inbox this", "save this conversation", or wants to save content to their Thymer workspace.

riclib

security-practices

Modern security standards including Zero Trust Architecture, supply chain security, DevSecOps integration, and cloud-native protection

coding-standards

Comprehensive coding standards and best practices for maintainable, consistent software development across multiple languages and paradigms

legacy-bridge

Backward compatibility bridge that translates legacy @load patterns to new Skills format. Enables seamless migration with zero breaking changes during 6-month transition period.

nist-compliance

NIST 800-53r5 control implementation, tagging, evidence collection, and compliance automation for security frameworks

skill-loader

Skill-Loader standards and best practices for Skill Loader. Includes implementation guidelines, common patterns, and testing strategies.

testing

Comprehensive testing standards including unit, integration, security, and property-based testing with TDD methodology

annotate

Create flexible annotation workflows for AI applications. Contains common tools to explore raw ai agent logs/transcripts, extract out relevant evaluation data, and llm-as-a-judge creation.

haizelabs

clear-writing

Use when writing or editing any prose humans will read — documentation, commit messages, error messages, UI text, reports, or explanations. Also use when user says "write clearly", "clear writing", or "improve writing".

continuous-learning

Review a finished session for reusable knowledge, then, with user consent, update shared skills and project AGENTS.md guidance.

teach-me

Teach the user a new skill or concept, within this workspace.

pi-extension-builder

Use when user says "create pi extension", "build extension for pi", "extend pi", or wants to customize pi agent behavior with tools, commands, events, or UI components.

tmux

Use when you need a persistent terminal environment for long-running processes, programs requiring a TTY, REPLs, debuggers, TUI apps, or concurrent terminals — while the agent continues executing other commands.

jira

Manage JIRA tickets. Use it when the user mentions JIRA with ticket IDs like FOO-123.

writing-skills

Use when creating new skills, editing existing skills, or verifying skills work before deployment

llm-wiki

Use when initializing a new personal knowledge base (wiki) from the LLM Wiki pattern — a structured markdown repo where the LLM incrementally builds and maintains interlinked pages between raw sources and a persistent wiki layer

kibana-elasticsearch

Use when querying an Elasticsearch index via the Kibana console proxy, filtering logs by field values, or investigating errors from job or application logs.

journal

Use at session start, after context compaction, and before session end. Owns session journals in `.sandbox/journals/`: when to create one, what prior context to read, what to log, and how to leave a resumable handoff

datadog-pup

Use when interacting with Datadog resources using the `pup` CLI, especially for APM traces, metrics, monitors, notebooks, and synthetic tests.

devils-advocate

Use when reviewing any plan, architecture, code, or design decision before committing

pattern-toggling-package-extension-tools

Use when a Pi extension must enable or disable tools that come from another installed extension or package, especially when the tool definitions should disappear from prompts without disabling slash commands or forking the upstream package.

code-simplifier

Simplifies and refines code for clarity, consistency, and maintainability while preserving all functionality. Use when asked to "simplify code", "clean up code", "refactor for clarity", "improve readability", or review recently modified code for elegance. Focuses on project-specific best practices.

napkin

Use at session start and whenever updating `.sandbox/napkin.md`. Owns the durable runbook: what belongs there, what stays out, and how hard to prune it.

learning-opportunities

Use when finishing a feature or bugfix with new files, modules, schema changes, refactors, design decisions, or unfamiliar patterns, or when the user asks to learn, practice, understand the reasoning, or says "teach me", "help me understand", "walk me through", or "quiz me".

doc-coauthoring

Guide users through a structured workflow for co-authoring documentation. Use when user wants to write documentation, proposals, technical specs, decision docs, or similar structured content. This workflow helps users efficiently transfer context, refine content through iteration, and verify the doc works for readers. Trigger when user mentions writing docs, creating proposals, drafting specs, or similar documentation tasks.

brand-guidelines

Applies Anthropic's official brand colors and typography to any sort of artifact that may benefit from having Anthropic's look-and-feel. Use it when brand colors or style guidelines, visual formatting, or company design standards apply.

docx

Comprehensive document creation, editing, and analysis with support for tracked changes, comments, formatting preservation, and text extraction. When Claude needs to work with professional documents (.docx files) for: (1) Creating new documents, (2) Modifying or editing content, (3) Working with tracked changes, (4) Adding comments, or any other document tasks

canvas-design

Create beautiful visual art in .png and .pdf documents using design philosophy. You should use this skill when the user asks to create a poster, piece of art, design, or other static piece. Create original visual designs, never copying existing artists' work to avoid copyright violations.

gtk-ui-ux-engineer

A GTK (GTK4/GTK3) UI/UX specialist that crafts beautiful, native-feeling desktop applications following GNOME Human Interface Guidelines. Use this skill when working with GTK widget composition, Libadwaita theming, CSS styling, accessible layouts, and modern GTK4 features like GtkListView, property bindings, and event controllers. Handles visual design decisions, layout composition, responsive designs, and theme-aware styling for Linux desktop applications.

opentui

Comprehensive OpenTUI skill for building terminal user interfaces. Covers the core imperative API, React reconciler, and Solid reconciler. Use for any TUI development task including components, layout, keyboard handling, animations, and testing.

algorithmic-art

Creating algorithmic art using p5.js with seeded randomness and interactive parameter exploration. Use this when users request creating art using code, generative art, algorithmic art, flow fields, or particle systems. Create original algorithmic art rather than copying existing artists' work to avoid copyright violations.

mcp-builder

Guide for creating high-quality MCP (Model Context Protocol) servers that enable LLMs to interact with external services through well-designed tools. Use when building MCP servers to integrate external APIs or services, whether in Python (FastMCP) or Node/TypeScript (MCP SDK).

internal-comms

A set of resources to help me write all kinds of internal communications, using the formats that my company likes to use. Claude should use this skill whenever asked to write some sort of internal communications (status reports, leadership updates, 3P updates, company newsletters, FAQs, incident reports, project updates, etc.).

web-artifacts-builder

Suite of tools for creating elaborate, multi-component claude.ai HTML artifacts using modern frontend web technologies (React, Tailwind CSS, shadcn/ui). Use for complex artifacts requiring state management, routing, or shadcn/ui components - not for simple single-file HTML/JSX artifacts.

pdf

Comprehensive PDF manipulation toolkit for extracting text and tables, creating new PDFs, merging/splitting documents, and handling forms. When Claude needs to fill in a PDF form or programmatically process, generate, or analyze PDF documents at scale.

pptx

Presentation creation, editing, and analysis. When Claude needs to work with presentations (.pptx files) for: (1) Creating new presentations, (2) Modifying or editing content, (3) Working with layouts, (4) Adding comments or speaker notes, or any other presentation tasks

self-learning

Self-learning capability for agents. Captures execution traces, extracts insights, and adapts agent behavior. Use after completing complex tasks, when agents encounter recurring issues, or to optimize workflows over time. Critical for multi-agent systems like orchestrator, worker, and reviewer.

skill-creator

Guide for creating effective skills. This skill should be used when users want to create a new skill (or update an existing skill) that extends Claude's capabilities with specialized knowledge, workflows, or tool integrations.

theme-factory

Toolkit for styling artifacts with a theme. These artifacts can be slides, docs, reportings, HTML landing pages, etc. There are 10 pre-set themes with colors/fonts that you can apply to any artifact that has been creating, or can generate a new theme on-the-fly.

go-profiling-optimization

Profile and optimize Go performance: pprof CPU/memory/block/mutex profiles, allocation analysis, escape analysis, sync.Pool, GOGC/GOMEMLIMIT tuning, benchmarks with -benchmem, PGO workflow, execution tracing. Use when user asks 'why is this slow', 'is this allocating', mentions pprof/profiling, runs benchmarks, or needs to reduce p99 latency. SKIP for general Go idioms — use `go` skill.

go

Idiomatic Go: interfaces, error handling, concurrency, testing, package layout, and debugging. Use when the user writes, reviews, or debugs Go code, or asks any open Go question that doesn't fit a more specific child skill. SKIP for Go performance/profiling work (use go-profiling-optimization) and explicit Gopher Guides training/API requests (use gopher-guides).

validate-skills

Validate bash and shell code blocks embedded in plugin commands and skills .md files. Catches syntax errors, undefined variables, unclosed quotes, missing semicolons. Use when editing files under plugins/*/commands/*.md or plugins/*/skills/*/SKILL.md, when creating a new command or skill in this repo, or when CI fails on a markdown bash-block syntax check.

htmx

htmx for Go/templ apps: hx-* attributes, swap strategies, triggers, OOB updates, SSE, WebSockets, forms, redirects, debounce, server integration. Trigger when user writes or pastes templates containing hx-* attributes, asks about HTMX swaps/triggers/OOB updates, or wires HTMX to a Go handler. SKIP generic web, fetch/AJAX, or templUI questions with no htmx context.

templui

templUI component library for Go templ apps. templUI is vanilla JavaScript only - zero JS frameworks (per templui.io). Covers Script() setup, Go variable interpolation into inline JavaScript, HTML-to-templ conversion, HTMX integration, and optional Alpine.js as a separate app-level state layer. Use when user pastes templUI/templ code, builds templUI components, asks 'how do I add an icon/button/dialog/dropdown' in templ, or interpolates Go state into client-side scripts. SKIP generic htmx issues with no templUI/component context.

address-review

Address pull request review feedback from humans or bots. Use when existing comments, requested changes, unresolved review threads, or CodeRabbit/codex review findings need code fixes, verification, push updates, and thread resolution. SKIP fresh code-review requests with no existing feedback; use review-deep.